Answer this question truthfully
### Question: What are the symptoms of Homocystinuria?
### Response: Newborn infants appear healthy. Early symptoms, if present at all, are not obvious.
Symptoms may occur as mildly delayed development or failure to thrive. Increasing visual problems may lead to diagnosis of this condition.
Other symptoms include:
Chest deformities (pectus carinatum, pectus excavatum) Flush across the cheeks High arches of the feet Knock knees Long limbs Mental retardation Nearsightedness Psychiatric disorders Spidery fingers (arachnodactyly) Tall, thin build